I have an arduino uno, and i'm using it to read an EMG, the serial montior is working just fine, but i cant have the graphic on the plotter
My code:
void setup() {
Serial.begin(9600);
}
void loop() {
float sensorValue = analogRead(A5);
float milivolt = (sensorValue / 1023) * 5;
Serial.print("Sensor Value: ");
Serial.println(sensorValue);
Serial.print("Voltage: ");
Serial.print(milivolt * 1000);
Serial.println(" mV");
delay(400);
}
how does this help? I already tried everything, but only in the plotter, the variable doesn't count
In your code, you're printing both text strings and numerical values, which can confuse the Serial Plotter. The Plotter is expecting just numerical values to plot.
i already used the plotter with text strings, and in the arduino tutorial they use it too
try using float milivolt = (sensorValue * 5.0) / 1023.0; instead.
What if you try like this:
void loop() {
float sensorValue = analogRead(A5);
float milivolt = (sensorValue / 1023) * 5;
Serial.print("Sensor:");Serial.print(sensorValue);
Serial.print(",");
Serial.print("mV:");Serial.println(milivolt * 1000);
delay(400);
}It explains the rules, which in turns, explains why your program did not work.
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